2026 Guide: How to Finance 5+ Unit Residential Buildings in Canada

Master the BRRRR (Buy, Rehab, Rent, Refinance, Repeat) strategy under Canada's 2026 mortgage rules. This guide covers OSFI Guideline B-20 stress test requirements, CMHC mortgage insurance eligibility, 30-year amortization access for investors, rental income qualification rules, and maximum loan-to-value (LTV) limits for refinancing — everything Canadian real estate investors need to execute the BRRRR cycle successfully.

Discover how Canadian lenders use two distinct methods — the offset method and the add-back method — to assess rental income when qualifying you for a mortgage in 2026. This guide breaks down qualification rules, income percentages, and key differences for investors, first-time buyers, and homeowners with secondary suites.

Thinking about buying a duplex or triplex in Canada? This guide covers everything you need to qualify in 2026 — including minimum down payments (as low as 5% for owner-occupied properties), how lenders treat rental income offsets (typically 50–80% of gross rents), CMHC (Canada Mortgage and Housing Corporation) mortgage insurance eligibility for multi-unit properties, and the new 30-year amortization rules for insured mortgages. Whether you're a first-time buyer house-hacking a duplex or an investor scaling a small portfolio, get the numbers and rules you need to move forward with confidence.